Zinc carboxylate optimization strategy for extending Al-air battery system's lifetime

Wei, Manhui; Wang, Keliang; Pei, Pucheng; Zhong, Liping; Züttel, Andreas; Pham, Thi Ha My; Shang, Nuo; Zuo, Yayu; Wang, Hengwei; Zhao, Siyuan

doi:10.1016/j.apenergy.2023.121804

Applied Energy

2023

DOI: 10.1016/j.apenergy.2023.121804

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Zinc carboxylate optimization strategy for extending Al-air battery system's lifetime

Manhui Wei,

Keliang Wang,

Pucheng Pei

et al.

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Cited by 3 publications

(1 citation statement)

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“…12 The anion groups of these inorganic compounds adsorb onto the surface of the anode, limiting the corrosion of Zn and inhibiting self-discharge. 13 Electrolyte additives can inhibit hydrogen evolution as the higher concentration of Zn 2+ ions leads to a decrease in the rate of hydrogen evolution. 14 Appropriate additives can enhance the performance of the ZAB devices by protecting Zn from corrosion with a protective layer on the anode.…”

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confidence: 99%

Carboxymethyl Cellulose – Polyvinyl Alcohol Composite-Based Gel Polymer Electrolyte for Rechargeable Zn-Air Batteries

Choudhary,

Bala,

Dhiman

2024

J. Electrochem. Soc.

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The high ionic conductivity, lower interfacial contact resistance, enhanced safety, non-toxicity, and biodegradability bring the gel polymer electrolytes (GPEs) as a prospective electrolyte for applications in high-energy density flexible Zn-air batteries (ZABs). The present study comprehensively optimizes the procedures to obtain carboxymethyl cellulose (CMC)– polyvinyl alcohol (PVA) composite-based GPEs holding a maximum KOH amount in the polymer matrix. Optimization of the GPE has been performed and demonstrated by an in-house-developed rechargeable ZAB cells using MnO2-based air cathode and Zn anode. The optimization parameters include the ratio of PVA:CMC, concentration of PVA-CMC in DI water, and thickness of the gel polymer electrolyte. Results show that a 4 mm thick GPE prepared from a polymer membrane synthesized using PVA:CMC ratio of 5:2 at a concentration of 0.063 g/ml in DI water displayed the highest 6M KOH uptake, least charge transfer resistance of the device, higher discharge plateau, and 5-6 times more cycling compared to GPE made of PVA only. The "as-synthesized GPE" demonstrates high stability of GPE over 100 hours for a Zn-air battery device. The findings of this work shall speed up the development of Zn air batteries for applications as energy storage systems.

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Carboxymethyl Cellulose – Polyvinyl Alcohol Composite-Based Gel Polymer Electrolyte for Rechargeable Zn-Air Batteries

Choudhary,

Bala,

Dhiman

2024

J. Electrochem. Soc.

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Interfacial activation of anode in aluminum-air battery through incorporating 5-carboxyl benzotriazole@β-cyclodextrin assembly in synthetic seawater electrolyte

Li,

Tian,

et al. 2024

International Journal of Electrochemical Science

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Ordered Pt3Ni intermetallic compound: A high-performance oxygen reduction reaction catalyst for Zn-air batteries

Zhao,

Zhou,

Lin

et al. 2025

Journal of Alloys and Compounds

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Zinc carboxylate optimization strategy for extending Al-air battery system's lifetime

Cited by 3 publications

References 39 publications

Carboxymethyl Cellulose – Polyvinyl Alcohol Composite-Based Gel Polymer Electrolyte for Rechargeable Zn-Air Batteries

Carboxymethyl Cellulose – Polyvinyl Alcohol Composite-Based Gel Polymer Electrolyte for Rechargeable Zn-Air Batteries

Interfacial activation of anode in aluminum-air battery through incorporating 5-carboxyl benzotriazole@β-cyclodextrin assembly in synthetic seawater electrolyte

Ordered Pt3Ni intermetallic compound: A high-performance oxygen reduction reaction catalyst for Zn-air batteries

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